164  
CDUS45 KCYS 200726  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
126 AM MDT WED SEP 20 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2023...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 111 PM 88 1935 72 6 87  
MINIMUM 53 1149 PM 18 1942 45 8 49  
AVERAGE 66 58 8 68  
 
PRECIPITATION (IN)  
YESTERDAY T 1.42 1997 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.96 -0.80 0.55  
SINCE SEP 1 0.16 0.96 -0.80 0.55  
SINCE JAN 1 18.14 12.81 5.33 7.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1942 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 T 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 52 88 -36 53  
SINCE SEP 1 52 88 -36 53  
SINCE JUL 1 108 138 -30 54  
 
COOLING  
YESTERDAY 1 1 0 3  
MONTH TO DATE 47 29 18 86  
SINCE SEP 1 47 29 18 86  
SINCE JAN 1 382 394 -12 695    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 1100 PM  
LOWEST 20 100 PM  
AVERAGE 36  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 87 1956  
2010  
MINIMUM TEMPERATURE (F) 44 21 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 645 AM MDT SUNSET 700 PM MDT  
SEPTEMBER 21 2023.....SUNRISE 646 AM MDT SUNSET 658 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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